Five investment alternatives have the following returns and standard deviations of returns naturnal Expected Value 5 1.860 3.180 3.180 5.100 12.000 Standard Deviation $1,150 1.030 820 2,500 910 c Calculate the coefficient of variation and rank the five alternatives from lowest risk to the highest risk by using the coefficient of variation (Round your answers to 3 decimal places.) Aves Rank A Coefficient of Variation 0.618 0.324 0.258 0490 0078 Olo E c B D E